800 Silver Niello Pocket Watch Huguenin Freres 15 Jewels Breguet Hairspring Chain
Hairspring: Spiral Breguet (Breguet overcoil hairspring). Up for sale is a charming antique pocket watch, a masterpiece of late 19th / early 20th-century Swiss watchmaking. The case bears the prestigious “NIEL HF” (Huguenin Frères) hallmark.